mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-10-16 01:37:45 -04:00
d95624c5d6
* move CBMC proofs to FreeRTOS+ directory * Failing proofs corrected * ParseDNSReply proof added back * removed queue_init.h from -Plus/Test Co-authored-by: Yuhui Zheng <10982575+yuhui-zheng@users.noreply.github.com>
24 lines
1 KiB
C
24 lines
1 KiB
C
#define ensure_memory_is_valid( px, length ) (px != NULL) && __CPROVER_w_ok((px), length)
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/* Implementation of safe malloc which returns NULL if the requested size is 0.
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Warning: The behavior of malloc(0) is platform dependent.
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It is possible for malloc(0) to return an address without allocating memory.*/
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void *safeMalloc(size_t xWantedSize) {
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return nondet_bool() ? malloc(xWantedSize) : NULL;
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}
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/* Memory assignment for FreeRTOS_Socket_t */
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FreeRTOS_Socket_t * ensure_FreeRTOS_Socket_t_is_allocated () {
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FreeRTOS_Socket_t *pxSocket = safeMalloc(sizeof(FreeRTOS_Socket_t));
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if (ensure_memory_is_valid(pxSocket, sizeof(FreeRTOS_Socket_t))) {
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pxSocket->u.xTCP.rxStream = safeMalloc(sizeof(StreamBuffer_t));
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pxSocket->u.xTCP.txStream = safeMalloc(sizeof(StreamBuffer_t));
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pxSocket->u.xTCP.pxPeerSocket = safeMalloc(sizeof(FreeRTOS_Socket_t));
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}
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return pxSocket;
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}
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/* Memory assignment for FreeRTOS_Network_Buffer */
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NetworkBufferDescriptor_t * ensure_FreeRTOS_NetworkBuffer_is_allocated () {
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return safeMalloc(sizeof(NetworkBufferDescriptor_t));
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}
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